package com.hotbitmapgg.ohmybilibili.widget;

import android.content.Context;
import android.util.AttributeSet;
import android.view.ViewGroup;
import android.widget.GridView;

public class ExpandableHeightGridView extends GridView
{

	boolean expanded = false;

	public ExpandableHeightGridView(Context context)
	{
		super(context);
	}

	public ExpandableHeightGridView(Context context, AttributeSet attrs)
	{
		super(context, attrs);
	}

	public ExpandableHeightGridView(Context context, AttributeSet attrs, int defStyle)
	{
		super(context, attrs, defStyle);
	}

	public boolean isExpanded()
	{
		return expanded;
	}

	@Override
	public void onMeasure(int widthMeasureSpec, int heightMeasureSpec)
	{
		if (isExpanded())
		{
			int expandSpec = MeasureSpec.makeMeasureSpec(MEASURED_SIZE_MASK, MeasureSpec.AT_MOST);
			super.onMeasure(widthMeasureSpec, expandSpec);

			ViewGroup.LayoutParams params = getLayoutParams();
			params.height = getMeasuredHeight();
		}
		else
		{
			super.onMeasure(widthMeasureSpec, heightMeasureSpec);
		}
	}

	public void setExpanded(boolean expanded)
	{
		this.expanded = expanded;
	}
}